Analytical results on Muller's ratchet effect in growing populations

Fontanari introduced [Phys. Rev. Lett. 91, 218101 (2003)] a model for studying Muller's ratchet phenomenon in growing asexual populations. They studied two situations, either including a death probability for each newborn or not, but were able to find analytical (recursive) expressions only in...

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Bibliographic Details
Published in:Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2009-03, Vol.79 (3 Pt 1), p.032903-032903, Article 032903
Main Author: Maia, Leonardo P
Format: Article
Language:English
Subjects:
Evolution, Molecular
Models, Genetic
Mutation
Probability
Reproduction, Asexual - genetics
Stochastic Processes
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Summary:Fontanari introduced [Phys. Rev. Lett. 91, 218101 (2003)] a model for studying Muller's ratchet phenomenon in growing asexual populations. They studied two situations, either including a death probability for each newborn or not, but were able to find analytical (recursive) expressions only in the no-decay case. In this Brief Report a branching process formalism is used to find recurrence equations that generalize the analytical results of the original paper besides confirming the interesting effects their simulations revealed.
ISSN:1539-3755
1550-2376
DOI:10.1103/PhysRevE.79.032903